When a Certain Form of a Trait Increases the Fitness

question 17

Multiple Choice

When a certain form of a trait increases the fitness of the individual, this allele will tend to ____ over time.​

• A) ​affect the function of vestigial structures
• B) ​lead to extinction of the population
• C) ​be eliminated from the population
• D) ​decrease in frequency in the population
• E) ​increase in frequency in the population

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Definitions:

Medulla of Thymus

The inner part of the thymus gland where T lymphocytes mature and differentiate.

Rounded Epithelial Structures

Refers to spherical or circular formations composed of epithelial cells, often found in glandular tissues.

Histamine

An organic nitrogenous compound involved in local immune responses, regulating physiological function in the gut, and acting as a neurotransmitter.

Vasodilation

The widening of blood vessels, which decreases blood pressure and allows for increased blood flow.